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<div class="header">
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<div class="title">fern.h</div>  </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment"> * Software License Agreement (BSD License)</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment"> *  Point Cloud Library (PCL) - www.pointclouds.org</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment"> *  Copyright (c) 2010-2011, Willow Garage, Inc.</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment"> *  All rights reserved.</span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment"> *  Redistribution and use in source and binary forms, with or without</span></div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment"> *  modification, are permitted provided that the following conditions</span></div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="comment"> *  are met:</span></div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="comment"> *   * Redistributions of source code must retain the above copyright</span></div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="comment"> *     notice, this list of conditions and the following disclaimer.</span></div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="comment"> *   * Redistributions in binary form must reproduce the above</span></div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="comment"> *     copyright notice, this list of conditions and the following</span></div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="comment"> *     disclaimer in the documentation and/or other materials provided</span></div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="comment"> *     with the distribution.</span></div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="comment"> *   * Neither the name of Willow Garage, Inc. nor the names of its</span></div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="comment"> *     contributors may be used to endorse or promote products derived</span></div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="comment"> *     from this software without specific prior written permission.</span></div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="comment"> *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS</span></div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="comment"> *  &quot;AS IS&quot; AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT</span></div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;<span class="comment"> *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS</span></div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;<span class="comment"> *  FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE</span></div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;<span class="comment"> *  COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,</span></div>
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<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;<span class="comment"> *  BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;</span></div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;<span class="comment"> *  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER</span></div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;<span class="comment"> *  CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT</span></div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;<span class="comment"> *  LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN</span></div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;<span class="comment"> *  ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE</span></div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;<span class="comment"> *  POSSIBILITY OF SUCH DAMAGE.</span></div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;  </div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;<span class="preprocessor">#ifndef PCL_ML_FERNS_FERN</span></div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;<span class="preprocessor">#define PCL_ML_FERNS_FERN</span></div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160; </div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="common_2include_2pcl_2common_2common_8h.html">pcl/common/common.h</a>&gt;</span></div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160; </div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;<span class="preprocessor">#include &lt;istream&gt;</span></div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;<span class="preprocessor">#include &lt;ostream&gt;</span></div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160; </div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;<span class="keyword">namespace </span>pcl</div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;{</div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160; </div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;  <span class="keyword">template</span> &lt;<span class="keyword">class</span> FeatureType, <span class="keyword">class</span> NodeType&gt;</div>
<div class="line"><a name="l00051"></a><span class="lineno"><a class="line" href="classpcl_1_1_fern.html">   51</a></span>&#160;  <span class="keyword">class </span>PCL_EXPORTS <a class="code" href="classpcl_1_1_fern.html">Fern</a></div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;  {</div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;    <span class="keyword">public</span>:</div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160; </div>
<div class="line"><a name="l00056"></a><span class="lineno"><a class="line" href="classpcl_1_1_fern.html#afa8f25c357de5c773e7caca0dc36376f">   56</a></span>&#160;      <a class="code" href="classpcl_1_1_fern.html#afa8f25c357de5c773e7caca0dc36376f">Fern</a> ()</div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;        : num_of_decisions_ (0)</div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;        , features_ (0)</div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;        , thresholds_ (0)</div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;        , nodes_ (1)</div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;      {}</div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160; </div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;      <span class="keyword">virtual</span> </div>
<div class="line"><a name="l00065"></a><span class="lineno"><a class="line" href="classpcl_1_1_fern.html#ade505f123bde19ed0fcb63fd106be380">   65</a></span>&#160;      <a class="code" href="classpcl_1_1_fern.html#ade505f123bde19ed0fcb63fd106be380">~Fern</a> () {}</div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160; </div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;      <span class="keywordtype">void</span></div>
<div class="line"><a name="l00071"></a><span class="lineno"><a class="line" href="classpcl_1_1_fern.html#a0fd5f5bec392df0e63751d3f5b7da73c">   71</a></span>&#160;      <a class="code" href="classpcl_1_1_fern.html#a0fd5f5bec392df0e63751d3f5b7da73c">initialize</a> (<span class="keyword">const</span> <span class="keywordtype">size_t</span> num_of_decisions)</div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;      {</div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;        num_of_decisions_ = num_of_decisions;</div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;        features_.resize (num_of_decisions_);</div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;        thresholds_.resize (num_of_decisions_, std::numeric_limits&lt;float&gt;::quiet_NaN ());</div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;        nodes_.resize (0x1 &lt;&lt; num_of_decisions_);</div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;      }</div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160; </div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;      <span class="keyword">inline</span> <span class="keywordtype">size_t</span></div>
<div class="line"><a name="l00081"></a><span class="lineno"><a class="line" href="classpcl_1_1_fern.html#a877c10ab975ff0272922f87f07ae008c">   81</a></span>&#160;      <a class="code" href="classpcl_1_1_fern.html#a877c10ab975ff0272922f87f07ae008c">getNumOfNodes</a> ()</div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;      {</div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;        <span class="keywordflow">return</span> 0x1U &lt;&lt; num_of_decisions_;</div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;      }</div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160; </div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;      <span class="keyword">inline</span> <span class="keywordtype">size_t</span></div>
<div class="line"><a name="l00088"></a><span class="lineno"><a class="line" href="classpcl_1_1_fern.html#a4e45e3788a1cfbbe868d39cf1aa677f2">   88</a></span>&#160;      <a class="code" href="classpcl_1_1_fern.html#a4e45e3788a1cfbbe868d39cf1aa677f2">getNumOfFeatures</a> ()</div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;      {</div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;        <span class="keywordflow">return</span> num_of_decisions_;</div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;      }</div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160; </div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;      <span class="keywordtype">void</span> </div>
<div class="line"><a name="l00097"></a><span class="lineno"><a class="line" href="classpcl_1_1_fern.html#acb7162e59df83bd6f14b0124c4574b37">   97</a></span>&#160;      <a class="code" href="classpcl_1_1_fern.html#acb7162e59df83bd6f14b0124c4574b37">serialize</a> (::std::ostream &amp; stream)<span class="keyword"> const</span></div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;<span class="keyword">      </span>{</div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;        <span class="comment">//const int tmp_value = static_cast&lt;int&gt; (num_of_decisions_);</span></div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;        <span class="comment">//stream.write (reinterpret_cast&lt;char*&gt; (&amp;tmp_value), sizeof (tmp_value));</span></div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;        stream.write (<span class="keyword">reinterpret_cast&lt;</span><span class="keyword">const </span><span class="keywordtype">char</span>*<span class="keyword">&gt;</span> (&amp;num_of_decisions_), <span class="keyword">sizeof</span> (num_of_decisions_));</div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160; </div>
<div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;        <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> feature_index = 0; feature_index &lt; features_.size (); ++feature_index)</div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;        {</div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;          features_[feature_index].serialize (stream);</div>
<div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;        }</div>
<div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160; </div>
<div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;        <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> threshold_index = 0; threshold_index &lt; thresholds_.size (); ++threshold_index)</div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;        {</div>
<div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;          stream.write (<span class="keyword">reinterpret_cast&lt;</span><span class="keyword">const </span><span class="keywordtype">char</span>*<span class="keyword">&gt;</span> (&amp;(thresholds_[threshold_index])), <span class="keyword">sizeof</span> (thresholds_[threshold_index]));</div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;        }</div>
<div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160; </div>
<div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;        <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> node_index = 0; node_index &lt; nodes_.size (); ++node_index)</div>
<div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;        {</div>
<div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;          nodes_[node_index].serialize (stream);</div>
<div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;        }</div>
<div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;      }</div>
<div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160; </div>
<div class="line"><a name="l00122"></a><span class="lineno"><a class="line" href="classpcl_1_1_fern.html#a7b6c9bba212d8f8a462cca997169613e">  122</a></span>&#160;      <span class="keywordtype">void</span> <a class="code" href="classpcl_1_1_fern.html#a7b6c9bba212d8f8a462cca997169613e">deserialize</a> (::std::istream &amp; stream)</div>
<div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;      {</div>
<div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;        stream.read (<span class="keyword">reinterpret_cast&lt;</span><span class="keywordtype">char</span>*<span class="keyword">&gt;</span> (&amp;num_of_decisions_), <span class="keyword">sizeof</span> (num_of_decisions_));</div>
<div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160; </div>
<div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;        features_.resize (num_of_decisions_);</div>
<div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;        thresholds_.resize (num_of_decisions_);</div>
<div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;        nodes_.resize (0x1 &lt;&lt; num_of_decisions_);</div>
<div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160; </div>
<div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;        <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> feature_index = 0; feature_index &lt; features_.size (); ++feature_index)</div>
<div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;        {</div>
<div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;          features_[feature_index].deserialize (stream);</div>
<div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;        }</div>
<div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160; </div>
<div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;        <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> threshold_index = 0; threshold_index &lt; thresholds_.size (); ++threshold_index)</div>
<div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;        {</div>
<div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;          stream.read (<span class="keyword">reinterpret_cast&lt;</span><span class="keywordtype">char</span>*<span class="keyword">&gt;</span> (&amp;(thresholds_[threshold_index])), <span class="keyword">sizeof</span> (thresholds_[threshold_index]));</div>
<div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;        }</div>
<div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160; </div>
<div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;        <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> node_index = 0; node_index &lt; nodes_.size (); ++node_index)</div>
<div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;        {</div>
<div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;          nodes_[node_index].deserialize (stream);</div>
<div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;        }</div>
<div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;      }</div>
<div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160; </div>
<div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;      <span class="keyword">inline</span> NodeType &amp;</div>
<div class="line"><a name="l00150"></a><span class="lineno"><a class="line" href="classpcl_1_1_fern.html#aa88c9528d08496897ca08083be3ce98e">  150</a></span>&#160;      operator[] (<span class="keyword">const</span> <span class="keywordtype">size_t</span> node_index)</div>
<div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;      {</div>
<div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;        <span class="keywordflow">return</span> nodes_[node_index];</div>
<div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;      }</div>
<div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160; </div>
<div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;      <span class="keyword">inline</span> <span class="keyword">const</span> NodeType &amp;</div>
<div class="line"><a name="l00159"></a><span class="lineno"><a class="line" href="classpcl_1_1_fern.html#ac65ee290d9186eaf96423264761515f5">  159</a></span>&#160;      operator[] (<span class="keyword">const</span> <span class="keywordtype">size_t</span> node_index)<span class="keyword"> const</span></div>
<div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;<span class="keyword">      </span>{</div>
<div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;        <span class="keywordflow">return</span> nodes_[node_index];</div>
<div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;      }</div>
<div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160; </div>
<div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;      <span class="keyword">inline</span> FeatureType &amp;</div>
<div class="line"><a name="l00168"></a><span class="lineno"><a class="line" href="classpcl_1_1_fern.html#ae7fd7ac6d00ce5c5802ee045e3563d4a">  168</a></span>&#160;      <a class="code" href="classpcl_1_1_fern.html#ae7fd7ac6d00ce5c5802ee045e3563d4a">accessFeature</a> (<span class="keyword">const</span> <span class="keywordtype">size_t</span> feature_index)</div>
<div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;      {</div>
<div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;        <span class="keywordflow">return</span> features_[feature_index];</div>
<div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;      }</div>
<div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160; </div>
<div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;      <span class="keyword">inline</span> <span class="keyword">const</span> FeatureType &amp;</div>
<div class="line"><a name="l00177"></a><span class="lineno"><a class="line" href="classpcl_1_1_fern.html#aa7ca9cc2bfc5a3888c25e38b97306de7">  177</a></span>&#160;      <a class="code" href="classpcl_1_1_fern.html#aa7ca9cc2bfc5a3888c25e38b97306de7">accessFeature</a> (<span class="keyword">const</span> <span class="keywordtype">size_t</span> feature_index)<span class="keyword"> const </span></div>
<div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;<span class="keyword">      </span>{</div>
<div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;        <span class="keywordflow">return</span> features_[feature_index];</div>
<div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;      }</div>
<div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160; </div>
<div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;      <span class="keyword">inline</span> <span class="keywordtype">float</span> &amp;</div>
<div class="line"><a name="l00186"></a><span class="lineno"><a class="line" href="classpcl_1_1_fern.html#ad8adce44d84b61469c9d74622ace1ace">  186</a></span>&#160;      <a class="code" href="classpcl_1_1_fern.html#ad8adce44d84b61469c9d74622ace1ace">accessThreshold</a> (<span class="keyword">const</span> <span class="keywordtype">size_t</span> threshold_index)</div>
<div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;      {</div>
<div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;        <span class="keywordflow">return</span> thresholds_[threshold_index];</div>
<div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;      }</div>
<div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160; </div>
<div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;      <span class="keyword">inline</span> <span class="keyword">const</span> <span class="keywordtype">float</span> &amp;</div>
<div class="line"><a name="l00195"></a><span class="lineno"><a class="line" href="classpcl_1_1_fern.html#a70da4dc19dd569f4954650e828096fc3">  195</a></span>&#160;      <a class="code" href="classpcl_1_1_fern.html#a70da4dc19dd569f4954650e828096fc3">accessThreshold</a> (<span class="keyword">const</span> <span class="keywordtype">size_t</span> threshold_index)<span class="keyword"> const</span></div>
<div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;<span class="keyword">      </span>{</div>
<div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;        <span class="keywordflow">return</span> thresholds_[threshold_index];</div>
<div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;      }</div>
<div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160; </div>
<div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;    <span class="keyword">private</span>:</div>
<div class="line"><a name="l00202"></a><span class="lineno"><a class="line" href="classpcl_1_1_fern.html#a49ce48c8be1b5dafaef1f83113ac97d6">  202</a></span>&#160;      <span class="keywordtype">size_t</span> <a class="code" href="classpcl_1_1_fern.html#a49ce48c8be1b5dafaef1f83113ac97d6">num_of_decisions_</a>;</div>
<div class="line"><a name="l00204"></a><span class="lineno"><a class="line" href="classpcl_1_1_fern.html#aeb5f64fa63a45efd99d6a4c221f09ece">  204</a></span>&#160;      std::vector&lt;FeatureType&gt; <a class="code" href="classpcl_1_1_fern.html#aeb5f64fa63a45efd99d6a4c221f09ece">features_</a>;</div>
<div class="line"><a name="l00206"></a><span class="lineno"><a class="line" href="classpcl_1_1_fern.html#a9ac0abe2d240bb3c5d946ca63d8d5ce6">  206</a></span>&#160;      std::vector&lt;float&gt; <a class="code" href="classpcl_1_1_fern.html#a9ac0abe2d240bb3c5d946ca63d8d5ce6">thresholds_</a>;</div>
<div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160; </div>
<div class="line"><a name="l00209"></a><span class="lineno"><a class="line" href="classpcl_1_1_fern.html#a9f71e0d10651d748740e8623c7aebef1">  209</a></span>&#160;      std::vector&lt;NodeType&gt; <a class="code" href="classpcl_1_1_fern.html#a9f71e0d10651d748740e8623c7aebef1">nodes_</a>;</div>
<div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;  };</div>
<div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160; </div>
<div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160; </div>
<div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;}</div>
<div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160; </div>
<div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="ttc" id="aclasspcl_1_1_fern_html"><div class="ttname"><a href="classpcl_1_1_fern.html">pcl::Fern</a></div><div class="ttdoc">Class representing a Fern.</div><div class="ttdef"><b>Definition:</b> fern.h:52</div></div>
<div class="ttc" id="aclasspcl_1_1_fern_html_a0fd5f5bec392df0e63751d3f5b7da73c"><div class="ttname"><a href="classpcl_1_1_fern.html#a0fd5f5bec392df0e63751d3f5b7da73c">pcl::Fern::initialize</a></div><div class="ttdeci">void initialize(const size_t num_of_decisions)</div><div class="ttdoc">Initializes the fern.</div><div class="ttdef"><b>Definition:</b> fern.h:71</div></div>
<div class="ttc" id="aclasspcl_1_1_fern_html_a49ce48c8be1b5dafaef1f83113ac97d6"><div class="ttname"><a href="classpcl_1_1_fern.html#a49ce48c8be1b5dafaef1f83113ac97d6">pcl::Fern::num_of_decisions_</a></div><div class="ttdeci">size_t num_of_decisions_</div><div class="ttdef"><b>Definition:</b> fern.h:202</div></div>
<div class="ttc" id="aclasspcl_1_1_fern_html_a4e45e3788a1cfbbe868d39cf1aa677f2"><div class="ttname"><a href="classpcl_1_1_fern.html#a4e45e3788a1cfbbe868d39cf1aa677f2">pcl::Fern::getNumOfFeatures</a></div><div class="ttdeci">size_t getNumOfFeatures()</div><div class="ttdoc">Returns the number of features the Fern has.</div><div class="ttdef"><b>Definition:</b> fern.h:88</div></div>
<div class="ttc" id="aclasspcl_1_1_fern_html_a70da4dc19dd569f4954650e828096fc3"><div class="ttname"><a href="classpcl_1_1_fern.html#a70da4dc19dd569f4954650e828096fc3">pcl::Fern::accessThreshold</a></div><div class="ttdeci">const float &amp; accessThreshold(const size_t threshold_index) const</div><div class="ttdoc">Access operator for thresholds.</div><div class="ttdef"><b>Definition:</b> fern.h:195</div></div>
<div class="ttc" id="aclasspcl_1_1_fern_html_a7b6c9bba212d8f8a462cca997169613e"><div class="ttname"><a href="classpcl_1_1_fern.html#a7b6c9bba212d8f8a462cca997169613e">pcl::Fern::deserialize</a></div><div class="ttdeci">void deserialize(::std::istream &amp;stream)</div><div class="ttdoc">Deserializes the fern.</div><div class="ttdef"><b>Definition:</b> fern.h:122</div></div>
<div class="ttc" id="aclasspcl_1_1_fern_html_a877c10ab975ff0272922f87f07ae008c"><div class="ttname"><a href="classpcl_1_1_fern.html#a877c10ab975ff0272922f87f07ae008c">pcl::Fern::getNumOfNodes</a></div><div class="ttdeci">size_t getNumOfNodes()</div><div class="ttdoc">Returns the number of nodes the Fern has.</div><div class="ttdef"><b>Definition:</b> fern.h:81</div></div>
<div class="ttc" id="aclasspcl_1_1_fern_html_a9ac0abe2d240bb3c5d946ca63d8d5ce6"><div class="ttname"><a href="classpcl_1_1_fern.html#a9ac0abe2d240bb3c5d946ca63d8d5ce6">pcl::Fern::thresholds_</a></div><div class="ttdeci">std::vector&lt; float &gt; thresholds_</div><div class="ttdef"><b>Definition:</b> fern.h:206</div></div>
<div class="ttc" id="aclasspcl_1_1_fern_html_a9f71e0d10651d748740e8623c7aebef1"><div class="ttname"><a href="classpcl_1_1_fern.html#a9f71e0d10651d748740e8623c7aebef1">pcl::Fern::nodes_</a></div><div class="ttdeci">std::vector&lt; NodeType &gt; nodes_</div><div class="ttdef"><b>Definition:</b> fern.h:209</div></div>
<div class="ttc" id="aclasspcl_1_1_fern_html_aa7ca9cc2bfc5a3888c25e38b97306de7"><div class="ttname"><a href="classpcl_1_1_fern.html#aa7ca9cc2bfc5a3888c25e38b97306de7">pcl::Fern::accessFeature</a></div><div class="ttdeci">const FeatureType &amp; accessFeature(const size_t feature_index) const</div><div class="ttdoc">Access operator for features.</div><div class="ttdef"><b>Definition:</b> fern.h:177</div></div>
<div class="ttc" id="aclasspcl_1_1_fern_html_acb7162e59df83bd6f14b0124c4574b37"><div class="ttname"><a href="classpcl_1_1_fern.html#acb7162e59df83bd6f14b0124c4574b37">pcl::Fern::serialize</a></div><div class="ttdeci">void serialize(::std::ostream &amp;stream) const</div><div class="ttdoc">Serializes the fern.</div><div class="ttdef"><b>Definition:</b> fern.h:97</div></div>
<div class="ttc" id="aclasspcl_1_1_fern_html_ad8adce44d84b61469c9d74622ace1ace"><div class="ttname"><a href="classpcl_1_1_fern.html#ad8adce44d84b61469c9d74622ace1ace">pcl::Fern::accessThreshold</a></div><div class="ttdeci">float &amp; accessThreshold(const size_t threshold_index)</div><div class="ttdoc">Access operator for thresholds.</div><div class="ttdef"><b>Definition:</b> fern.h:186</div></div>
<div class="ttc" id="aclasspcl_1_1_fern_html_ade505f123bde19ed0fcb63fd106be380"><div class="ttname"><a href="classpcl_1_1_fern.html#ade505f123bde19ed0fcb63fd106be380">pcl::Fern::~Fern</a></div><div class="ttdeci">virtual ~Fern()</div><div class="ttdoc">Destructor.</div><div class="ttdef"><b>Definition:</b> fern.h:65</div></div>
<div class="ttc" id="aclasspcl_1_1_fern_html_ae7fd7ac6d00ce5c5802ee045e3563d4a"><div class="ttname"><a href="classpcl_1_1_fern.html#ae7fd7ac6d00ce5c5802ee045e3563d4a">pcl::Fern::accessFeature</a></div><div class="ttdeci">FeatureType &amp; accessFeature(const size_t feature_index)</div><div class="ttdoc">Access operator for features.</div><div class="ttdef"><b>Definition:</b> fern.h:168</div></div>
<div class="ttc" id="aclasspcl_1_1_fern_html_aeb5f64fa63a45efd99d6a4c221f09ece"><div class="ttname"><a href="classpcl_1_1_fern.html#aeb5f64fa63a45efd99d6a4c221f09ece">pcl::Fern::features_</a></div><div class="ttdeci">std::vector&lt; FeatureType &gt; features_</div><div class="ttdef"><b>Definition:</b> fern.h:204</div></div>
<div class="ttc" id="aclasspcl_1_1_fern_html_afa8f25c357de5c773e7caca0dc36376f"><div class="ttname"><a href="classpcl_1_1_fern.html#afa8f25c357de5c773e7caca0dc36376f">pcl::Fern::Fern</a></div><div class="ttdeci">Fern()</div><div class="ttdoc">Constructor.</div><div class="ttdef"><b>Definition:</b> fern.h:56</div></div>
<div class="ttc" id="acommon_2include_2pcl_2common_2common_8h_html"><div class="ttname"><a href="common_2include_2pcl_2common_2common_8h.html">common.h</a></div></div>
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